dilipbiswal commented on a change in pull request #23883: [SPARK-26982][SQL]
Enhance describe framework to describe the output of a query.
URL: https://github.com/apache/spark/pull/23883#discussion_r260094381
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
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@@ -362,13 +362,23 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder(conf) {
} else {
Map.empty[String, String]
}
- DescribeTableCommand(
- visitTableIdentifier(ctx.tableIdentifier),
+ DescribeTableOrQueryCommand(
+ Option(visitTableIdentifier(ctx.tableIdentifier)),
Review comment:
@maropu with the change, DescribeTableOrQueryCommand takes a optional table
identifier. Thats why i wrap it under an `Option`.
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